<template>
  <header class="home-header wrap" :class="{ active: headerScroll }">
    <router-link to="./category">
      <i class="nbicon nbmenu2"></i>
    </router-link>
    <div class="header-search">
      <span class="app-name">新峰商城</span>
      <i class="iconfont icon-search"></i>
      <router-link to="./product-list">全场一折起</router-link>
    </div>
    <router-link to="./user">
      <van-icon name="friends-o" />
    </router-link>
  </header>
  <swiper :list="swiperList"></swiper>
  <div class="category-list">
    <div v-for="item in categoryList" :key="item.categoryId">
      <img :src="item.imgUrl" alt="" />
      <span>{{ item.name }}</span>
    </div>
  </div>
  <div class="good">
    <header class="good-header">新品上线</header>
    <div class="good-box">
      <div
        class="good-item"
        v-for="item in newGoodses"
        :key="item.goodsId"
        @click="gotoDetail(item)"
      >
        <img :src="item.goodsCoverImg" alt="" />
        <div class="good-desc">
          <div class="title">{{ item.goodsName }}</div>
          <div class="price">￥{{ item.sellingPrice }}</div>
        </div>
      </div>
    </div>
  </div>
  <div class="good">
    <header class="good-header">热门商品</header>
    <div class="good-box">
      <div
        class="good-item"
        v-for="item in hots"
        :key="item.goodsId"
        @click="gotoDetail(item)"
      >
        <img :src="$filters.prefix(item.goodsCoverImg)" alt="" />
        <div class="good-desc">
          <div class="title">{{ item.goodsName }}</div>
          <div class="price">¥ {{ item.sellingPrice }}</div>
        </div>
      </div>
    </div>
  </div>
  <div class="good" :style="{ paddingBottom: '100px' }">
    <header class="good-header">最新推荐</header>
    <div class="good-box">
      <div class="good-item" v-for="item in recommends" :key="item.goodsId" @click="gotoDetail(item)">
        <img :src="$filters.prefix(item.goodsCoverImg)" alt="" />
        <div class="good-desc">
          <div class="title">{{ item.goodsName }}</div>
          <div class="price">¥ {{ item.sellingPrice }}</div>
        </div>
      </div>
    </div>
  </div>
  <nav-bar> </nav-bar>
</template>

<script>
import { getHome } from "@/api/service/home.js";
import NavBar from "@/components/NavBar";
import Swiper from "@/components/Swiper";
import { reactive, toRefs, onMounted, nextTick } from "vue";
import { Toast } from "vant";
import { useRouter } from "vue-router";

export default {
  components: {
    NavBar,
    Swiper,
  },
  setup() {
    const router = useRouter();
    const state = reactive({
      headerScroll: false,
      swiperList: [],
      categoryList: [
        {
          name: "新蜂超市",
          imgUrl: "//s.yezgea02.com/1604041127880/%E8%B6%85%E5%B8%82%402x.png",
          categoryId: 100001,
        },
        {
          name: "新蜂服饰",
          imgUrl: "//s.yezgea02.com/1604041127880/%E6%9C%8D%E9%A5%B0%402x.png",
          categoryId: 100003,
        },
        {
          name: "全球购",
          imgUrl:
            "//s.yezgea02.com/1604041127880/%E5%85%A8%E7%90%83%E8%B4%AD%402x.png",
          categoryId: 100002,
        },
        {
          name: "新蜂生鲜",
          imgUrl: "//s.yezgea02.com/1604041127880/%E7%94%9F%E9%B2%9C%402x.png",
          categoryId: 100004,
        },
        {
          name: "新蜂到家",
          imgUrl: "//s.yezgea02.com/1604041127880/%E5%88%B0%E5%AE%B6%402x.png",
          categoryId: 100005,
        },
        {
          name: "充值缴费",
          imgUrl: "//s.yezgea02.com/1604041127880/%E5%85%85%E5%80%BC%402x.png",
          categoryId: 100006,
        },
        {
          name: "9.9元拼",
          imgUrl: "//s.yezgea02.com/1604041127880/9.9%402x.png",
          categoryId: 100007,
        },
        {
          name: "领劵",
          imgUrl: "//s.yezgea02.com/1604041127880/%E9%A2%86%E5%88%B8%402x.png",
          categoryId: 100008,
        },
        {
          name: "省钱",
          imgUrl: "//s.yezgea02.com/1604041127880/%E7%9C%81%E9%92%B1%402x.png",
          categoryId: 100009,
        },
        {
          name: "全部",
          imgUrl: "//s.yezgea02.com/1604041127880/%E5%85%A8%E9%83%A8%402x.png",
          categoryId: 100010,
        },
      ],
      newGoodses: [],
      recommends: [],
      hots: [],
    });
    onMounted(async () => {
      Toast.loading({
        message: "加载中...",
        forbidClick: false,
        duration: 2000,
      });
      const { data } = await getHome();
      console.log(data);
      state.swiperList = data.carousels;
      state.newGoodses = data.newGoodses;
      state.hots = data.hotGoodses;
      state.recommends = data.recommendGoodses;
    });

    nextTick(() => {
      window.addEventListener(
        "scroll",
        () => {
          let scrollTop =
            window.pageXOffset ||
            document.documentElement.scrollTop ||
            document.body.scrollTop;
          scrollTop > 100
            ? (state.headerScroll = true)
            : (state.headerScroll = false);
        },
        true
      );
    });
    const gotoDetail = (item) => {
      console.log(item);
      router.push({ path: `/product/${item.goodsId}` });
    };
    return {
      ...toRefs(state),
      gotoDetail,
    };
  },
};
</script>

<style lang="less">
@import "../common/style/mixin.less";
.home-header {
  position: fixed;
  left: 0;
  top: 0;
  .wh(100%, 50px);
  .fj();
  line-height: 50px;
  padding: 0 15px;
  .boxSizing();
  font-size: 15px;
  color: #fff;
  z-index: 10000;
  .nbmenu2 {
    color: @primary;
  }
  &.active {
    background: @primary;
    .nbmenu2 {
      color: #fff;
    }
    .login {
      color: #fff;
    }
  }

  .header-search {
    display: flex;
    .wh(74%, 20px);
    line-height: 20px;
    margin: 10px 0;
    padding: 5px 0;
    color: #232326;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 20px;
    .app-name {
      padding: 0 10px;
      color: @primary;
      font-size: 20px;
      font-weight: bold;
      border-right: 1px solid #666;
    }
    .icon-search {
      padding: 0 10px;
      font-size: 17px;
    }
    .search-title {
      font-size: 12px;
      color: #666;
      line-height: 21px;
    }
  }
  .icon-iconyonghu {
    color: #fff;
    font-size: 22px;
  }
  .login {
    color: @primary;
    line-height: 52px;
    .van-icon-manager-o {
      font-size: 20px;
      vertical-align: -3px;
    }
  }
}
.category-list {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  width: 100%;
  padding-bottom: 13px;
  div {
    display: flex;
    flex-direction: column;
    width: 20%;
    text-align: center;
    img {
      .wh(36px, 36px);
      margin: 13px auto 8px auto;
    }
  }
}
.good {
  .good-header {
    background: #f9f9f9;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: @primary;
    font-size: 16px;
    font-weight: 500;
  }
  .good-box {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    .good-item {
      box-sizing: border-box;
      width: 50%;
      border-bottom: 1px solid #e9e9e9;
      padding: 10px 10px;
      img {
        display: block;
        width: 120px;
        margin: 0 auto;
      }
      .good-desc {
        text-align: center;
        font-size: 14px;
        padding: 10px 0;
        .title {
          color: #222333;
        }
        .price {
          color: @primary;
        }
      }
      &:nth-child(2n + 1) {
        border-right: 1px solid #e9e9e9;
      }
    }
  }
}
.floor-list {
  width: 100%;
  padding-bottom: 50px;
  .floor-head {
    width: 100%;
    height: 40px;
    background: #f6f6f6;
  }
  .floor-content {
    display: flex;
    flex-shrink: 0;
    flex-wrap: wrap;
    width: 100%;
    .boxSizing();
    .floor-category {
      width: 50%;
      padding: 10px;
      border-right: 1px solid #dcdcdc;
      border-bottom: 1px solid #dcdcdc;
      .boxSizing();
      &:nth-child(2n) {
        border-right: none;
      }
      p {
        font-size: 17px;
        color: #333;
        &:nth-child(2) {
          padding: 5px 0;
          font-size: 13px;
          color: @primary;
        }
      }
      .floor-products {
        .fj();
        width: 100%;
        img {
          .wh(65px, 65px);
        }
      }
    }
  }
}
</style>